Cord retainer



FIG. 1 is a perspective view of a cord retainer, showing my new design;

FIG. 2 is a front view thereof, the rear view being the same;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a left side view thereof, the right side view being the same. 

The ornamental design for a cord retainer, as shown and described. 